Home / 13,208,065.10-19,814,065.96-4,687,688.06

Finding the Fourth Proportional to 13,208,065.10, 19,814,065.96 and 4,687,688.06

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Solution

The fourth proportional to 13,208,065.10, 19,814,065.96 and 4,687,688.06 is: 7,032,230.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208,065.10 : 19,814,065.96 = 4,687,688.06 : x
  2. Step 2: Convert to fraction form
    13,208,065.10/19,814,065.96 = 4,687,688.06/x
  3. Step 3: Cross multiply
    13,208,065.10x = 19,814,065.96 × 4,687,688.06
  4. Step 4: Simplify right side
    13,208,065.10x = 92,882,160,420,744.44
  5. Step 5: Solve for x
    x = 92,882,160,420,744.44/13,208,065.10
  6. Step 6: Final answer
    x = 7,032,230.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.